Mold.



F. P. MARTIN.

MOLD.r v v APPLICATION FILED MAR. 20, 1912.

' Patented Deo. 24, 1912.`

, ll n'ventor.

Attorneys "..t-ioiifsQl and 2&1 Will ofithe' pipe, the culvert lio arms,

.minals a construction of this character may be readily .positioned on the tubular mold, and be quickly detached and folded for the :purpose of transportation. Itr-Will be noted lthat tliematerial which is passed between the seesurround the terminals provided with end retaining Walls. I

Having thus described the invention what is claimed as newf is i 1. -A mold comprising spaced parallel walls, arms hingedly supported by said Walls7 struts hingedly connected to said adjustable means supported by said Wall and arranged to contact with the terof said strut, vertically extending ribs secured to the other of said Walls said ribs Cont-acting With said end Walls to hold the same in spaced parallel relation.

2. 'A mold comprising a wall, said Wall including longitudinally extending members and sf'ertically extending connecting members, 'adjustable supports hingedly connected to the connecting members, end Walls liingedly supported by the longitudinally disposed members on tlieface of said wall remote from. the vertically extending members, a Wall disposed parallel with the first mentioned Wall, ribs embracing the end walls to hold t-he same in parallel relation.

In testimony that I claim the foregoing as my own, -I have hereto atlixed my sig-nature in the presence of two Witnesses.

. FRANK P. MARTIN. Witnesses:

A. F. DEHN,

R. G. WARWICK. y 

